Trail Running calendar near Como 2025-2026

Rocky's Backyard Ultra is a unique ultra trail race held at the YMCA of the Rockies in Estes Park, Colorado, known as the highest organized Backyard Ultra in the world. Runners complete 4.167-mile laps on a challenging singletrack course featuring about 500 feet of elevation gain and loss per lap, w..

The Suffer Better Fall Trail Run is an annual mountain endurance event held at Staunton State Park, Colorado. The 9th edition, scheduled for October 11, 2025, features challenging courses including 50K and 25K distances, a unique 25K Fishslappers division involving fish catching, and a new 5K race...

The Sage Burner Trail Race takes place in Gunnison, Colorado, within the scenic Hartman Rocks Recreation Area near Black Canyon National Park. This fall event offers three distances: 50K, 28K, and 15K, featuring a challenging course with technical slickrock, smooth singletrack, and fast doubletrack..

The Rubey Rescue Run is a 5K uphill trail race held annually in Aspen, Colorado, on Buttermilk Mountain. Participants start near the Buttermilk Mountain Lodge and ascend 1,700 feet to the Cliff House, finishing with breathtaking views of the Maroon Bells. The event welcomes runners with or without t..

The Bobcat Trail Race, held at Palmer Park in Colorado Springs, CO, offers a scenic and challenging trail running experience with distances of 50K, 25K, 10K, and 5K. Set within a beautiful urban park, runners enjoy diverse terrain including technical single-tracks, rocky bluffs, and lush forests, al..

The Indian Creek Trail Runs, part of the Human Potential Running Series, is an annual fall trail running event held at Indian Creek Campground in Sedalia, Colorado. Celebrating its 12th year in 2025, the race offers multiple distances: 5-Mile, 15-Mile, 55k, and 50-Mile, with time limits of 12 to 14..

The Great Trailhead Foot Race 10 Miler takes place at Bear Creek Lake Park in Lakewood, Colorado, offering runners a scenic trail experience with single-track dirt paths against the backdrop of Denver's skyline. Participants can choose between a 5-mile or a challenging 10-mile double-lap course. Reg..

Beware The Bear Trail Races take place at Bear Creek Lake Park in Lakewood, Colorado, offering 5km, 15km, and a combined 5+15km double race, along with a 1km kids' run. The courses feature mostly dirt trails with a mix of single and double tracks, incorporating short steep hills, rollers, and varied..

The Bridge Burner Ultra is a scenic trail running event held in Canon City, Colorado, featuring distances of 35 miles, 50k, 35k, and 10k. The race follows a single loop starting along the Arkansas River, passing through historic granite tunnels on Tunnel Drive, and ascending to 7,109 feet with panor..

The Colleen De Reuck XC Classic is a cross country running event held annually at Harlow Platts Community Park in Boulder, Colorado. Honoring renowned distance runner Colleen De Reuck, the race promotes health, fitness, and celebrates local Olympians, with 2025 honoring 2012 Olympic marathoner Yoshi..

The HRCA Backcountry Wilderness Half Marathon is an annual 13.1-mile trail race held in Highlands Ranch, Colorado, featuring a scenic single-loop course through the Douglas County East/West trail and the Backcountry Wilderness Area. The race offers a challenging route on dirt, gravel, and singletrac..

The Canya Cañon Trail Race and Family Hike is an annual event held in North Cheyenne Cañon Park, Colorado Springs, starting at the Starsmore Visitor and Nature Center. The race features the original 4-mile course ascending the Columbine Trail to the Powell lot, welcoming runners and hikers of all ag..

The Louisville Trail Race, held annually in Louisville, Colorado, features a half marathon, 10K, and 5K on scenic front range trails. Celebrating its 12th year, the event offers mostly flat courses with some challenging hills, including a notable climb near the final mile of the half marathon that r..

The Colorado Cold Rush Ultra is a winter trail running event held in Colorado Springs, featuring 50K, half marathon, and 10K distances. The race courses showcase diverse terrains and stunning views, including historic High Drive and the tunnels from the Colorado gold rush era. The 50K starts at Bear..

The Thumbs Up Vertical Challenge is an 8-hour ascent race held in Estes Park, Colorado, on the Thumb Open Space trail. Participants repeatedly run a 1 km out-and-back course with a 540-foot elevation gain per ascent. Runners collect poker chips at the turnaround point to track their completed ascent..

The Sawmill Trail Runs is an annual trail running event held at Staunton State Park in Pine, Colorado, approximately 40 miles southwest of Denver. Established in 2013 and officially a race since 2017, it offers three distance options: 50k, 16-mile, and 8-mile runs. The course features scenic and cha..

The USCSA Cross Country Ski Racing Festival, held at Snow Mountain Ranch Nordic Center in Granby, Colorado, is a vibrant collegiate and junior skiing event scheduled for January 24-25, 2026. It features classic races of 15 km and 7.5 km for college and independent high school athletes, alongside CHS..

The Gothic Mountain Tour, hosted by Crested Butte Nordic in Colorado, is a challenging and scenic cross-country ski race circling Gothic Mountain. It offers two race distances: a competitive 23.5-mile course starting behind Crested Butte Community School, and a 17.85-mile recreational course beginni..

Stories Trail Runs is an annual winter trail running event held at Cheyenne Mountain State Park in Colorado Springs, Colorado. Set against stunning views of Cheyenne Mountain and Pike’s Peak, the event offers a unique community atmosphere with a main aid station at the start/finish area. It features..

The 21st Annual Run Through Time Trail Marathon and Half Marathon takes place in Salida, Colorado, featuring challenging courses on dirt and jeep roads as well as narrow, hilly single-track trails with stunning views of Salida and the Arkansas Valley. Elevations range from 7,000 to 9,000 feet. The e..